private void LoadArtistList()
{
ArtistController sysmgr = new ArtistController();
List <SelectionList> info = sysmgr.Artists_DDList();
//sort ascending
info.Sort((x, y) => x.DisplayField.CompareTo(y.DisplayField));
//ddl setup
ArtistList.DataSource = info;
//ArtistList.DataTextField = "DisplayField";
ArtistList.DataTextField = nameof(SelectionList.DisplayField);
ArtistList.DataValueField = nameof(SelectionList.ValueField);
ArtistList.DataBind();
//prompt line
ArtistList.Items.Insert(0, new ListItem("Select...", "0"));
}
